GR
UNDIG Ser
vice
Chassis LX
2 -
0
Hauptplatte – Netzteil / Main Board – Power Supply
1
MP1593
3A, 28V, 385KHz
STEP-DOWN CONVERTER
LOCKOUT
COMPARATOR
ERROR
AMPLIFIER
FREQUENCY
FOLDBACK
COMPARATOR
INTERNAL
REGULATORS
1.8V
SLOPE
COMP
CLK
CURRENT
COMPARATOR
CURRENT
SENSE
AMPLIFIER
SHUTDOWN
COMPARATOR
SS
8
COMP
6
IN 2
EN 7
GND
4
OSCILLATOR
40/385KHz
S
R
Q
SW
3
BS
M1
M2
1
5V
+
Q
0.7V
+
+
2.3V/
2.6V
+
1.22V
0.7V
+
+
FB
5
--
--
--
--
--
--
Summary of Contents for Vision 6
Page 11: ...Chassis LX GRUNDIG Service 1 11 ...
Page 13: ...Chassis LX GRUNDIG Service 1 13 ...
Page 14: ...Chassis LX GRUNDIG Service 1 14 ...
Page 29: ...GRUNDIG Service Chassis LX 2 11 Hauptplatte Main Board IN OUT 1 ...
Page 30: ...GRUNDIG Service Chassis LX 2 12 Hauptplatte Main Board IN OUT 2 ...
Page 31: ...GRUNDIG Service Chassis LX 2 13 Hauptplatte Main Board IN OUT 3 ...
Page 34: ...GRUNDIG Service Chassis LX 2 16 Hauptplatte Main Board COFDM Demodulator 8 9 ...
Page 35: ...GRUNDIG Service Chassis LX 2 17 Hauptplatte Main Board Scaler 2 3 4 5 6 0 ...
Page 36: ...GRUNDIG Service Chassis LX 2 18 Hauptplatte Main Board Scaler 3 4 ...